diff --git a/airsonic-main/src/main/resources/liquibase/10.2/setup-hsqldb-checkpoint-defrag.xml b/airsonic-main/src/main/resources/liquibase/10.2/setup-hsqldb-checkpoint-defrag.xml
index 7f42743b..a028b8ce 100644
--- a/airsonic-main/src/main/resources/liquibase/10.2/setup-hsqldb-checkpoint-defrag.xml
+++ b/airsonic-main/src/main/resources/liquibase/10.2/setup-hsqldb-checkpoint-defrag.xml
@@ -4,6 +4,8 @@
         xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.1.xsd">
     <changeSet id="setup-hsqldb-checkpoint-defrag" author="fxthomas">
 
+        <validCheckSum>7:890e52428bbc2a792fea1e026a4b7610</validCheckSum>
+
         <preConditions onFail="MARK_RAN">
           <dbms type="hsqldb" />
         </preConditions>
@@ -13,12 +15,12 @@
           <comment>Defragment the database before enabling auto defrag, so that the biggest part of the work is done during migration.</comment>
         </sql>
         <sql>
-          SET LOGSIZE 64;
-          <comment>Automatically run a CHECKPOINT when the log is above 64MB.</comment>
+          SET FILES LOG SIZE 64;
+          <comment>Automatically run a CHECKPOINT when the log is above 64MB. http://hsqldb.org/doc/guide/management-chapt.html#N150AB</comment>
         </sql>
         <sql>
-          SET CHECKPOINT DEFRAG 32;
-          <comment>Automatically defragment on CHECKPOINT when the wasted space is above 32MB.</comment>
+          SET FILES DEFRAG 50;
+          <comment>Sets the threshold in percentage for performing a DEFRAG during a checkpoint. http://hsqldb.org/doc/guide/management-chapt.html#N1506D</comment>
         </sql>
 
         <rollback></rollback>